26820680568058 has 12 divisors (see below), whose sum is σ = 43563768142158. Its totient is φ = 12378775646640.

The previous prime is 26820680567977. The next prime is 26820680568109. The reversal of 26820680568058 is 85086508602862.

It can be written as a sum of positive squares in 3 ways, for example, as 11326435437529 + 15494245130529 = 3365477^2 + 3936273^2 .

It is a super-3 number, since 3×26820680568058³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39675562633 + ... + 39675563308.

Almost surely, 2^{26820680568058} is an apocalyptic number.

26820680568058 is a deficient number, since it is larger than the sum of its proper divisors (16743087574100).

26820680568058 is a wasteful number, since it uses less digits than its factorization.

26820680568058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79351125969 (or 79351125956 counting only the distinct ones).

The product of its (nonzero) digits is 88473600, while the sum is 64.

The spelling of 26820680568058 in words is "twenty-six trillion, eight hundred twenty billion, six hundred eighty million, five hundred sixty-eight thousand, fifty-eight".